Finding the Fourth Proportional to 4,869,182.36, 6,718,264.44 and 3,148,232.06
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Solution
The fourth proportional to 4,869,182.36, 6,718,264.44 and 3,148,232.06 is: 4,343,779.70
Step by Step Solution
- Step 1: Write the proportion equation
4,869,182.36 : 6,718,264.44 = 3,148,232.06 : x - Step 2: Convert to fraction form
4,869,182.36/6,718,264.44 = 3,148,232.06/x - Step 3: Cross multiply
4,869,182.36x = 6,718,264.44 × 3,148,232.06 - Step 4: Simplify right side
4,869,182.36x = 21,150,655,502,555.74 - Step 5: Solve for x
x = 21,150,655,502,555.74/4,869,182.36 - Step 6: Final answer
x = 4,343,779.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.